Delta 1-232000 Aluminum Single Lid Full-Size Crossover Truck Box with Gearlock Patented Gear-Lock Latch on the stainless steel paddle handle provides premium security and weather resistance when the lid is latched shut 3-Layer Laminated RSL Rigid Structural Lid has a reverse beveled edge liner and an inner layer of rigid foam insulation to create the most rigid, strongest aluminum lid that Delta's ever made Adjustable lid strikers lock the lid down tight for superior security Reinforced body resists cargo damage and protects the lock system Gas spring lid lifts raise the lid when unlatched for easier access